warming up
estimating clock resolution...
mean is 9.785411 us (80001 iterations)
found 35626 outliers among 79999 samples (44.5%)
  18047 (22.6%) low severe
  17579 (22.0%) high severe
estimating cost of a clock call...
mean is 99.09776 ns (74 iterations)
found 10 outliers among 74 samples (13.5%)
  1 (1.4%) high mild
  9 (12.2%) high severe

benchmarking chop-string/reverse
collecting 100 samples, 1 iterations each, in estimated 16.40429 s
mean: 241.6449 ms, lb 227.3405 ms, ub 255.9365 ms, ci 0.950
std dev: 72.92843 ms, lb 70.45506 ms, ub 77.68597 ms, ci 0.950
variance introduced by outliers: 3.000%
variance is slightly inflated by outliers

benchmarking chop-string/foldr
collecting 100 samples, 1 iterations each, in estimated 67.58680 s
mean: 712.0433 ms, lb 698.9535 ms, ub 726.8065 ms, ci 0.950
std dev: 71.46399 ms, lb 64.00021 ms, ub 86.70723 ms, ci 0.950

benchmarking chop-string/foldr'
collecting 100 samples, 1 iterations each, in estimated 6.207991 s
mean: 68.64650 ms, lb 66.90684 ms, ub 71.56666 ms, ci 0.950
std dev: 11.27203 ms, lb 7.548996 ms, ub 16.21609 ms, ci 0.950

benchmarking chop-string/CPS
collecting 100 samples, 1 iterations each, in estimated 74.04840 s
mean: 638.5145 ms, lb 601.1176 ms, ub 675.9074 ms, ci 0.950
std dev: 191.8131 ms, lb 178.3142 ms, ub 206.7595 ms, ci 0.950
variance introduced by outliers: 5.999%
variance is slightly inflated by outliers

benchmarking chop-string/CPS'
collecting 100 samples, 1 iterations each, in estimated 27.37780 s
mean: 411.6403 ms, lb 398.3822 ms, ub 426.5395 ms, ci 0.950
std dev: 71.97342 ms, lb 59.74985 ms, ub 87.24584 ms, ci 0.950
found 28 outliers among 100 samples (28.0%)
  10 (10.0%) low severe
  2 (2.0%) low mild
  4 (4.0%) high mild
  12 (12.0%) high severe
variance introduced by outliers: 2.000%
variance is slightly inflated by outliers

benchmarking chop-string/CPS''
collecting 100 samples, 1 iterations each, in estimated 40.99610 s
mean: 394.1977 ms, lb 379.4157 ms, ub 407.1842 ms, ci 0.950
std dev: 70.82964 ms, lb 62.27607 ms, ub 78.28748 ms, ci 0.950
found 21 outliers among 100 samples (21.0%)
  20 (20.0%) low mild
variance introduced by outliers: 2.000%
variance is slightly inflated by outliers

benchmarking chop-strspc/reverse
collecting 100 samples, 1 iterations each, in estimated 27.86911 s
mean: 246.4413 ms, lb 233.9072 ms, ub 259.4601 ms, ci 0.950
std dev: 65.29586 ms, lb 57.21395 ms, ub 75.12526 ms, ci 0.950
found 3 outliers among 100 samples (3.0%)
  3 (3.0%) high mild
variance introduced by outliers: 2.000%
variance is slightly inflated by outliers

benchmarking chop-strspc/foldr
collecting 100 samples, 1 iterations each, in estimated 74.50049 s
mean: 690.6038 ms, lb 680.5922 ms, ub 702.9399 ms, ci 0.950
std dev: 56.66894 ms, lb 47.24067 ms, ub 81.62895 ms, ci 0.950

benchmarking chop-strspc/foldr'
mean: 42.55023 ms, lb 41.74964 ms, ub 44.70775 ms, ci 0.950
std dev: 6.172415 ms, lb 2.194789 ms, ub 12.72451 ms, ci 0.950

benchmarking chop-strspc/CPS
collecting 100 samples, 1 iterations each, in estimated 51.67131 s
mean: 590.9113 ms, lb 575.6454 ms, ub 605.9091 ms, ci 0.950
std dev: 77.98474 ms, lb 66.54682 ms, ub 93.34781 ms, ci 0.950
found 5 outliers among 100 samples (5.0%)
  4 (4.0%) low mild
variance introduced by outliers: 2.000%
variance is slightly inflated by outliers

benchmarking chop-strspc/CPS'
collecting 100 samples, 1 iterations each, in estimated 39.64171 s
mean: 404.0109 ms, lb 401.9010 ms, ub 407.9852 ms, ci 0.950
std dev: 14.35609 ms, lb 8.870366 ms, ub 23.99680 ms, ci 0.950

benchmarking chop-strspc/CPS''
collecting 100 samples, 1 iterations each, in estimated 37.60769 s
mean: 374.7899 ms, lb 373.6585 ms, ub 376.2250 ms, ci 0.950
std dev: 6.503821 ms, lb 5.405233 ms, ub 7.704324 ms, ci 0.950

benchmarking chop-spaces/reverse
collecting 100 samples, 1 iterations each, in estimated 8.136916 s
mean: 114.2309 ms, lb 108.5386 ms, ub 119.7284 ms, ci 0.950
std dev: 28.54081 ms, lb 26.65981 ms, ub 30.66028 ms, ci 0.950

benchmarking chop-spaces/foldr
mean: 37.09930 ms, lb 34.24411 ms, ub 40.70451 ms, ci 0.950
std dev: 16.31691 ms, lb 13.52355 ms, ub 19.24418 ms, ci 0.950

benchmarking chop-spaces/foldr'
mean: 38.28595 ms, lb 33.43125 ms, ub 47.42654 ms, ci 0.950
std dev: 33.13593 ms, lb 18.40383 ms, ub 54.50525 ms, ci 0.950
found 10 outliers among 100 samples (10.0%)
  8 (8.0%) high mild
  2 (2.0%) high severe
variance introduced by outliers: 3.000%
variance is slightly inflated by outliers

benchmarking chop-spaces/CPS
collecting 100 samples, 1 iterations each, in estimated 76.42150 s
mean: 654.8620 ms, lb 631.7833 ms, ub 678.1068 ms, ci 0.950
std dev: 118.6497 ms, lb 103.0706 ms, ub 138.3991 ms, ci 0.950
found 5 outliers among 100 samples (5.0%)
  2 (2.0%) low mild
  3 (3.0%) high mild
variance introduced by outliers: 3.000%
variance is slightly inflated by outliers

benchmarking chop-spaces/CPS'
collecting 100 samples, 1 iterations each, in estimated 42.06960 s
mean: 406.8134 ms, lb 391.9791 ms, ub 421.5591 ms, ci 0.950
std dev: 75.83106 ms, lb 68.17951 ms, ub 84.53761 ms, ci 0.950
variance introduced by outliers: 2.000%
variance is slightly inflated by outliers

benchmarking chop-spaces/CPS''
collecting 100 samples, 1 iterations each, in estimated 32.48031 s
mean: 389.8063 ms, lb 375.3149 ms, ub 403.8776 ms, ci 0.950
std dev: 73.22882 ms, lb 67.16954 ms, ub 79.88329 ms, ci 0.950
variance introduced by outliers: 2.000%
variance is slightly inflated by outliers